<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title>用户头像</title>
		<style>
		.imgstyle{
			border-radius:200px;
			height: 450px;
		}
		</style>
	</head>
	<body>
		<img class="imgstyle" src="image/nv.jpg" />
	</body>
</html>
